guofeng@guofengiMacBook-Air SecondApp$ sudo xcodebuild -license
You have not agreed to the Xcode license agreements. You must agree to both license agreements below in order to use Xcode.
Hit the Enter key to view the license agreements at '/Applications/Xcode.app/Contents/Resources/English.lproj/License.rtf'
Xcode and Apple SDKs Agreement
PLEASE SCROLL DOWN AND READ ALL OF THE FOLLOWING TERMS AND CONDITIONS CAREFULLY BEFORE USING THE APPLE SOFTWARE OR APPLE SERVICES. THIS IS A LEGAL AGREEMENT BETWEEN YOU AND APPLE. IF YOU AGREE TO BE BOUND BY ALL OF THE TERMS AND CONDITIONS, CLICK THE “AGREE” BUTTON. BY CLICKING “AGREE” OR BY DOWNLOADING, USING OR COPYING ANY PART OF THIS APPLE SOFTWARE OR USING ANY PART OF THE APPLE SERVICES, YOU ARE AGREEING ON YOUR OW
By typing 'agree' you are agreeing to the terms of the software license agreements. Type 'print' to print them or anything else to cancel, [agree, print, cancel]
You can view the license agreements in Xcode's About Box, or at /Applications/Xcode.app/Contents/Resources/English.lproj/License.rtf